US3202542A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Release coating containing a polyorganosiloxane resin and either a polyorganosiloxane gum or a high viscosity polyorganosiloxane oil
Assignee: Peninsular Silicones Inc
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Filing: 1961-06-06
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Granted: 1965-08-24
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Expires: 1981-06-06
Abstract
No abstract record available.
Inventors
- 👤 John A Poje
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:27
CPC Classifications
C; C08; C08G; C08G77/00; C08G77/04; C08G77/06; C08L; C08L83/00; C08L83/04; C08G77/12; Y; Y10; Y10S; Y10S220/00; Y10S220/917; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31652; Y10T428/31663; Y10T428/31844
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
133 words
A COOKING IMPLEMENT HAVING A COAT OF AN INTIMATE MIXTURE CONSISTING ESSENTIALLY OF, IN PARTS BY WEIGHT, ABOUT 15 PARTS OF AN ORGANOSILOXANE RESIN IN WHICH THERE ARE FROM 0.95 AND 1.9 MONOVALENT HYDROCARBON RADICALS PER SILICON ATOM AT LEAST 50% OF WHICH ARE METHYL RADICALS, AND ABOUT 0.05 TO 2 PARTS OF A MATERIAL SELECTED FROM THE GROUP CONSISTING OF A POLYORGANOSILOXANE OIL HAVING A VISCOSITY IN EXCESS OF ABOUT 200,000 CENTISTOKES AT 25*C. AND A POLYORGANOSILOXANE GUM HAVING A VISCOSITY IN EXCESS OF ABOUT 400,000 CENTISTOKES AT 25*C. SAID POLYORGANOSILOXANE RESIN CONTAINING FROM 0.95 TO 1.9 MONOVALENT HYDROCARBON RADICALS PER SILICON ATOM, SAID POLYORGANOSILOXANE OIL CONTAINING FROM ABOUT 1.8 TO 2.1 HYDROGEN AND HYDROCARBON RADICALS PER SILICON ATOM, AND SAID POLYORGANOLISOXANE GUM CONTAINING ABOUT TWO MONOVALENT HYDROCARBON RADICALS PER SILICON ATOM.
Claim 2
Dependent Claim
133 words
A COOKING IMPLEMENT HAVING A COAT OF AN INTIMATE MIXTURE CONSISTING ESSENTIALLY OF, IN PARTS BY WEIGHT, ABOUT 15 PARTS OF AN ORGANOSILOXANE RESIN IN WHICH THERE ARE FROM 0.95 AND 1.9 MONOVALENT HYDROCARBON RADICALS PER SILICON ATOM AT LEAST 50% OF WHICH ARE METHYL RADICALS, AND ABOUT 0.05 TO 2 PARTS OF A MATERIAL SELECTED FROM THE GROUP CONSISTING OF A POLYORGANOSILOXANE OIL HAVING A VISCOSITY IN EXCESS OF ABOUT 200,000 CENTISTOKES AT 25*C. AND A POLYORGANOSILOXANE GUM HAVING A VISCOSITY IN EXCESS OF ABOUT 400,000 CENTISTOKES AT 25*C. SAID POLYORGANOSILOXANE RESIN CONTAINING FROM 0.95 TO 1.9 MONOVALENT HYDROCARBON RADICALS PER SILICON ATOM, SAID POLYORGANOSILOXANE OIL CONTAINING FROM ABOUT 1.8 TO 2.1 HYDROGEN AND HYDROCARBON RADICALS PER SILICON ATOM, AND SAID POLYORGANOLISOXANE GUM CONTAINING ABOUT TWO MONOVALENT HYDROCARBON RADICALS PER SILICON ATOM.
References Cited (Backward Citations)
US2442196A
Cited
US2728692A
Cited
US2833735A
Cited
US2977336A
Cited
US2793197A
Cited
US2833441A
Cited
US3002946A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-23 | 1969-02-22 | 1969-08-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-23 | 1973-02-22 | 1973-08-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-23 | 1977-02-22 | 1977-08-24 | $7700.00 | Window Closed / Lapsed |